Apply new device coupon to established account

Donna F 0 Reputation points
2026-08-18T20:07:42.84+00:00

New device has "up to 3-months free. Account doesn't accept activation code. How to contact Billing?

Microsoft 365 and Office | Subscription, account, billing | For home | Windows
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  1. paulr0511 49,380 Reputation points Independent Advisor
    2026-08-18T21:55:27.2666667+00:00

    Hello, good day and thanks for your question. I understand that you are looking into extending your Microsoft 365 subscription.

    Kindly take note that, if the current Office or Microsoft 365 product was provided by the PC manufacturer or the seller as a prepaid subscription with a certain validity period, you may not be able to extend it with your existing subscription.

    However, you can still check and reach out to the support team at https://support.microsoft.com/en-us/contactus/ and then click on Microsoft 365 and then click Get Home Support and then type in Billing question and click the blue button that says Sign in to contact Support and login and proceed from there.

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  2. AI answer

    2026-08-18T20:07:56.9366667+00:00

    If the new-device offer is not accepting the code, use Microsoft Support for billing or subscription help.

    1. Go to Contact Microsoft Support.
    2. Enter the issue and select Get Help.
    3. If more help is needed, select Contact Support.
    4. For Microsoft 365 activation or subscription issues, choose the Microsoft 365/Office product category and the billing or subscription option.

    If the offer is a product key, redeem Microsoft 365 or Office keys at Office.com/setup by signing in with the Microsoft account and entering the 25-character code.

    If the problem is specifically an Office product-key redemption error such as StackingTrialOnNonTrialNotSupported, the documented resolution is to contact Microsoft Support.


    AI-generated content may be incorrect. Read our transparency notes for more information.

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